diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f89dccc1..44b5998c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.3
       - name: Setup Node
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v6.4.0
         with:
           node-version: 'lts/*'
           cache: 'npm'